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WorksheetsConceptual Science-spring final REVIEW
Total questions: 85
Worksheet time: 3hrs 58mins
Name
Class
Date
1.
An object at rest will _______ if no outside forces are applied.
a)
Stay at rest
b)
Increase Velocity
c)
Decrease Mass
2.
A greater applied force is required to move an object with a greater mass than one with a smaller mass.
a)
True
b)
False
3.
The SI units for force are...
a)
Kilograms
b)
Newtons
c)
Meters per second
d)
Pounds
4.
Which of the following explains the difference between speed and velocity?
a)
One has motion, and the other does not.
b)
One has direction, and the other does not.
c)
One involves time, and the other does not.
d)
One involves acceleration, and the other does not.
5.
A hiker’s velocity begins at 1.8 m/s uphill and changes to 1.5 m/s uphill. How do you know that the hiker has a negative acceleration?
a)
His direction changed.
b)
His direction was unchanged.
c)
His speed increased.
d)
His speed decreased.
6.
Acceleration is caused by a force acting on a mass.
a)
Newton’s first law of motion
b)
Newton’s second law of motion
c)
Newton’s third law of motion
7.
For a force on an object there is an equal and opposite force.
a)
Newton’s first law of motion
b)
Newton’s second law of motion
c)
Newton’s third law of motion
8.
What force slows objects down and keeps them from moving?
a)
Friction
b)
Acceleration
9.
What will happen to the cart in the illustration?
a)
It will stand still.
b)
It will move at constant velocity.
c)
It will accelerate to the right.
d)
It will accelerate to the left.
10.
Unbalanced forces cause an object to _____.
a)
remain motionless
b)
move at constant velocity
c)
speed up, slow down, or change direction
11.
What is speed?
a)
how far you go
b)
how much distance is covered over a period of time
c)
how fast you accelerate
d)
the change in the location of a object
12.
The correct equation to calculate speed is
a)
distance/time
b)
time/distance
c)
distance x time
d)
distance/time2
13.
What is velocity?
a)
the quickness of an object
b)
the location of an object
c)
acceleration
d)
speed in a specific direction
14.
Shona cycles at an average speed of 8km/h. How far has she travelled if she cycles for 4 hours?
a)
55km
b)
32km
c)
43km
d)
32miles
15.
How far will a person go if they jog for 2 hours at a speed of 12 km/hr?
a)
6 km
b)
0.5 km
c)
10 km
d)
24 km
16.
If a cheetah runs 180 miles in 3 hours, what is its average speed?
a)
60 hours
b)
60 miles
c)
60 miles/hour
d)
60 miles/second/second
17.
A runners races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?
a)
10 m/s
b)
1000 m/s
c)
100 seconds
d)
10 seconds
18.
How fast is the car traveling at 30 seconds?
a)
5m/s
b)
10m/s
c)
20m/s
d)
30m/s
19.
A car starts from rest at a stop light and reaches 20 m/s in 3.5 s. Determine the acceleration of the car.
a)
2.2m/s2
b)
7.0m/s2
c)
5.7m/s2
d)
70m/s2
20.
What is the net force?
a)
30 N left
b)
25 N right
c)
5 N left
d)
55 N right
21.
What is the net force
a)
10 N
b)
0 N
c)
25 N
d)
1 N
22.
Velocity describes both speed and _____________
a)
time
b)
direction
c)
momentum
d)
acceleration
23.
1. What is the ability to do work?
a)
Energy
b)
Kinetic energy
c)
Potential energy
d)
Energy forms
24.
What is the energy of position or shape that depends on weight and height, also called stored energy?
a)
Energy
b)
Kinetic energy
c)
Potential energy
d)
Sound energy
25.
What is the energy of motion that depends on speed and mass?
a)
Energy
b)
Kinetic energy
c)
Potential energy
d)
Chemical energy
26.
What is the law that states that energy cannot be created or destroyed only transform form one energy to another?
a)
Law of Conservation of Energy
b)
Law of Gravity
c)
Law of Inertia
d)
None of these
27.
What do we call a change from one form of energy to another?
a)
Energy form
b)
Energy transformation
c)
Kinetic energy
d)
Potential energy
28.
What kind of energy is in a moving skateboard?
a)
Potential
b)
Kinetic
29.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
30.
When a pendulum swings, at which point is kinetic energy highest?
a)
1
b)
2
c)
3
d)
4
31.
When a pendulum swings, at which point is potential energy at its greatest?
a)
1
b)
2
c)
3
d)
4
32.
Where should the fulcrum be placed in order for the student to use the least amount of effort possible?
a)
point A
b)
point B
c)
point C
d)
point D
33.
If you use a crowbar to get the lid off of a bucket, what simple machine are you using?
a)
Inclined Plane
b)
Pulley
c)
Wheel and Axle
d)
Lever
34.
This has one or no moving parts.
a)
simple machine
b)
complex machine
35.
a wheel with a rope or belt around it. Helps a person lift or move something up, down, or across an area.
a)
screw
b)
pulley
36.
Friction causes energy to be transformed from KE to what?
a)
PGE
b)
chemical
c)
thermal
d)
elastic
37.
Which of these is an example of a wedge?
a)
skateboard
b)
broom
c)
stairs
d)
butter knife
38.
Using a lever, Joe is able to lift a 10,000 N car off of the ground with a force of 1000 N. What is the mechanical advantage of the lever?
a)
1
b)
10
c)
100
d)
1000
39.
Which is not a type of simple machine?
a)
spring
b)
screw
c)
pulley
d)
wedge
40.
This gas makes up 21% of the atmosphere
a)
ozone
b)
oxygen
c)
nitrogen
d)
water vapor
41.
This gas makes up 78% of the atmosphere
a)
oxygen
b)
nitrogen
c)
ozone
d)
carbon dioxide
42.
Which of the following is the correct order of the atmosphere layers from Earth to space?
a)
troposphere, stratosphere, mesosphere, thermosphere, exosphere
b)
troposphere, mesosphere, thermosphere, exosphere, stratosphere
c)
thermosphere, stratosphere, mesosphere, troposphere, exosphere
d)
troposphere, stratosphere, mesosphere, exosphere, thermosphere
43.
What is the function of the ozone layer?
a)
to allow UV rays to get to Earth
b)
to block UV rays from getting to Earth
c)
To keep oxygen in
d)
to allow meteors to get to Earth
44.
Does cold air rise or sink?
a)
Rise
b)
Sink
45.
The atmosphere is
a)
the layer in which weather occurs
b)
the layer that contains the ozone layer
c)
The layer of water in the oceans
d)
the layer of gases that surrounds Earth
46.
What is water vapor?
a)
Water on the land (geosphere)
b)
Water in the air (atmosphere)
c)
Water in plants
d)
Water in the water (hydrosphere)
47.
The change of water from a liquid to a gas.
a)
evaporation
b)
precipitation
c)
condensation
d)
transpiration
48.
Any type of moisture that falls to the Earth.
a)
evaporation
b)
precipitation
c)
condensation
d)
transpiration
49.
Why is it warmer at the equator than at the poles?
a)
a. The sun strikes at a very slanted angle at the equator.
b)
b. The sun strikes the Earth at a 90 degree angle at the equator.
c)
c. The sun strikes at the most direct angle at both poles.
d)
d. The sun strikes the Earth at a 90 degree angle at the poles.
50.
This layer of the atmosphere contains most of the ozone
a)
troposphere
b)
thermosphere
c)
mesosphere
d)
stratosphere
51.
This layer is where weather occurs
a)
troposphere
b)
thermosphere
c)
exosphere
d)
stratosphere
52.
Measurements of CO2 levels in the atmosphere over the past 100 years have been
a)
steadily increasing
b)
drastically increasing
c)
declining
d)
remaining the same
53.
What factor leads greatly to global warming?
a)
increased use of solar power
b)
increased burning of fossil fuels
c)
better weather forecasts
d)
changing distance between the Earth and the Sun
54.
What is A?
a)
Evaporation
b)
Condensation
c)
Precipitation
d)
Runoff
55.
What is B?
a)
Evaporation
b)
Condensation
c)
Precipitation
d)
Runoff
56.
What is C?
a)
Evaporation
b)
Condensation
c)
Precipitation
d)
Runoff
57.
One light year is a...
a)
A length of time
b)
A distance
c)
A galaxy
d)
A measure of gravity
58.
Our galaxy is a ________ galaxy.
a)
Irregular
b)
Elliptical
c)
Spiral
d)
Twirl
59.
Our Galaxy is called the
a)
Mily Galaxy
b)
Milky Way Galaxy
c)
Andromeda Galaxy
d)
Pinwheel Galaxy
60.
A light year is...
a)
The speed light travels
b)
How long it takes light to get to you from the sun
c)
The distance light can travel in a year
d)
How many years it takes light to be emitted
61.
Which of the following is the largest?
a)
star
b)
universe
c)
cluter
d)
galaxy
62.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
63.
How many stars do we have in our solar system?
a)
1
b)
Millions
c)
it is impossible to know
d)
5
64.
What process takes place inside a star to generate energy
a)
Nuclear fission
b)
Hydrogen Creation
c)
Nuclear fusion
d)
Helium forming
65.
What is responsible for bringing the particles together when a star is first born?
a)
Electrostatic Attraction
b)
Heat Energy
c)
Cosmic Radiation
d)
Gravity
66.
What were the original two elements in our universe?
a)
Lithium and Carbon
b)
Hydrogen and Neon
c)
Helium and Chlorine
d)
Hydrogen and Helium
67.
Stars are formed in a large cloud of gas and dust called a
a)
cumulonimbus cloud
b)
nebula
c)
neutron star
d)
black hole
68.
Which of these puts the main parts of an average star's life cycle in the correct order?
a)
protostar>
main sequence>
red giant >
white dwarf
main sequence>
red giant >
white dwarf
b)
protostar>
main sequence>
white dwarf>
red giant
main sequence>
white dwarf>
red giant
c)
main sequence>
protostar>
white dwarf>
red giant
protostar>
white dwarf>
red giant
d)
protostar>
red giant >
main sequence>
white dwarf
red giant >
main sequence>
white dwarf
69.
Our sun is a
a)
Extra-large star
b)
Very small star
c)
Medium-sized star
d)
Is not a star
70.
The moon's light is really
a)
a comet
b)
a reflection of sunlight
c)
hot gas
d)
light from Earth
71.
Besides planets, what might you see in our solar system?
a)
a milky way candy bar
b)
an astroid belt
c)
an airplane
d)
an impirial walker
72.
The planet with the most spectacular rings of any planet is
a)
Jupiter
b)
Saturn
c)
Uranus
d)
Neptune
73.
The "red planet" is
a)
Venus
b)
Uranus
c)
Mars
d)
Saturn
74.
One of the main differences between the outer and inner planets is __________.
a)
The inner planets all have water
b)
the inner planets are much bigger than the outer planets
c)
the outer planets are gas planets
d)
the outer planets have rings, and the inner planets don't
75.
The trapping of heat by the atmosphere is called the
a)
Hothouse effect
b)
Carbon emissions
c)
Greenhouse effect
d)
Atmospheric warming
76.
What Moon phase is this?
a)
Full Moon
b)
Gibbous
c)
New Moon
d)
quarter moon
77.
What Moon phase is this?
a)
gibbous
b)
full
c)
new
d)
Quarter
78.
What Moon phase is this?
a)
Old Moon
b)
Far Side of the Moon
c)
New Moon
d)
Waxing Gibbous
79.
What Moon phase is this?
a)
Crescent
b)
Full
c)
new
d)
Gibbous
80.
True or False: The moon does not produce its own light.
a)
True
b)
False
81.
Which phase of the moon is shown in the picture?
a)
New
b)
Cresent
c)
Quarter
d)
Gibbous
82.
What does accretion mean?
a)
the process of becoming larger by enlarging existing cells
b)
the process of becoming larger by bumping into things and ingesting them
c)
the process of becoming larger by eating more
d)
the process of becoming larger by adding more material
83.
Which of the following is evidence that all of the planets formed from the ancient flattened disk revolving around the early Sun?
a)
They are all rocky
b)
They all have gas
c)
The all lie on the same plane
d)
they all have life on them
84.
During the phases of the Moon, the Moon appears to change shape. This change in appearance is due to the Moon...
a)
physically changing size and shape.
b)
moving closer and then farther away from Earth.
c)
reflecting a different amount of light due to alignment with Earth and the Sun.
d)
the Earth's shaddow
85.
Which of these puts the main parts of an average star's life cycle in the correct order?
a)
protostar>
main sequence>
red giant >
white dwarf
main sequence>
red giant >
white dwarf
b)
protostar>
main sequence>
white dwarf>
red giant
main sequence>
white dwarf>
red giant
c)
main sequence>
protostar>
white dwarf>
red giant
protostar>
white dwarf>
red giant
d)
protostar>
red giant >
main sequence>
white dwarf
red giant >
main sequence>
white dwarf
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